An ES7/ES2016 spec-compliant `Array.prototype.includes` shim/polyfill/replacement that works as far down as ES3.

Robustly get the byte offset of a Typed Array

`Array.prototype.concat`, but made safe by ignoring Symbol.isConcatSpreadable

Robustly get the byte length of a Typed Array

Get the ArrayBuffer out of a TypedArray, robustly.

Get the byte length of an ArrayBuffer, even in engines without a `.byteLength` method.

Is this value a JS ArrayBuffer?

Is this value a JS SharedArrayBuffer?

Similarity

Robustly get the length of a Typed Array

React Component to maintain a consistent width-to-height ratio (aspect ratio), preventing cumulative layout shift.

Determining the similarity of alphanumeric text based on trigram matching

Is this value a JS Typed Array? This module works cross-realm/iframe, does not depend on `instanceof` or mutable properties, and despite ES6 Symbol.toStringTag.

Which kind of Typed Array is this JavaScript value? Works cross-realm, without `instanceof`, and despite Symbol.toStringTag.

General purpose glob-based configuration matching.

Get accessibility information about colour combinations

Parse postgres array columns

Cosine similarity between two object vectors

Common utilities

Display resolution-dependent images using the image-set() function in CSS